Famous X 6" Stack Dab RigStack It Up Stack is made from high quality, handblown borosilicate glass, and sits 6" 15cm tall. This simple, yet functional stacked style rig is easy to clean and maintain. It features an inline percolator which adds diffusion and makes the your hit super smooth. Stack comes with a 14mm male quartz banger for optimal hits. Easier and more efficient than other attachments for rigs, quartz bangers also offer extreme heat tolerance making it the ideal